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CVE-2026-88964

🗓️ 13 Oct 2026 22:15:08Reported by OpenVPNType 
cve
 cve
🔗 web.nvd.nist.gov👁 30 Views

Integer underflow in OpenVPN allows authenticated servers to cause DoS or memory disclosure.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-88964
14 Oct 202616:10
–circl
cvelist
Cvelist
CVE-2026-88964
13 Oct 202622:15
–cvelist
debiancve
Debian CVE
CVE-2026-88964
13 Oct 202622:15
–debiancve
euvd
EUVD
EUVD-2026-100755
14 Oct 202600:31
–euvd
mend
Mend
CVE-2026-88964
13 Oct 202622:15
–mend
nvd
NVD
CVE-2026-88964
13 Oct 202623:19
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-88964
13 Oct 202623:19
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-88964
8 Oct 202600:00
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-113547
8 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-88964: Integer Underflow (Wrap or Wraparound)
13 Oct 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "OpenVPN",
    "product": "OpenVPN",
    "platforms": [
      "Windows",
      "Android"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.7_alpha3",
        "lessThanOrEqual": "2.7.7",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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15 Oct 2026 20:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.1
EPSS0.00378
SSVC
30